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Close up ISS, yet again

Image

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About this observation
Observer
Steve Knight
Time of observation
31/03/2020 - 19:47
Object
International Space Station
Observing location
Banbury
Equipment
Skywatcher 8in Dobsonian
ASI174MM camera
Televue 5x Powermate
23A filter
Exposure
x42 0.3ms exposures stacked

Another attempt.  This is using a 23A filter rather than the 642nm bandpass filter.  Luminous transmittance ~30% rather than ~10% so shorter exposures but more atmospheric turbulence.  ISS was about 520km away when I took this, more images acquired so my manual tracking has improved.  This is most definitely not astronomy but still an interesting technical challenge.

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